It certainly is a deceptive and dangerous idea, collectivistic guilt.

But I think perhaps a more insidious and destructive lie that comes out of Marx is, "Property is theft."

Yes, quite smart ...

Here we see one of the christian roots of Marxism.

This one is called: "peccatum hereditarium" (hereditary guilt of Christians)

If you dig deeper, it will be "a hell of a ride".